Creating a fallback and switching of models

Models switch depending on the execution provider

Revert 8bdc14a

Update requirements.txt

Update README.md

Update README.md

Add download buttons for Windows and Mac

Add download buttons for Windows and Mac

Merge branch 'main' of https://github.com/hacksider/Deep-Live-Cam

Merge pull request #632 from KRSHH/main

Unreverting New UI after Fixes, Unreverted README